This is a A-AH77807 Sieve, Bottom, Round Hole PN: AH77807Main Description As Following : A-AH77807 Sieve, Bottom; Round Hole P.N: AH77807 Hole Diameter: 1/8" (3 MM)Length: 46.83"Width: 52.72" Replaces: RHJDB77003 *** NO CLASS *** , Crossed From: AV103794 VAPORMATIC Found in Section & Models : Separator Area > Chaffers/ Sieve/ Frames/ Shoes, John Deere COMBINE: 7700, John Deere COMBINE: 7701, John Deere COMBINE: 7720 (SN <610500), John Deere COMBINE: 7721 (SN <610600) Associated Items : New Also This is An Aftermarket Product And : Hole Diameter: 1/8" (3 MM) Length: 46.83" Width: 52.72"